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Nervous Tissue: Glial Cells01:31

Nervous Tissue: Glial Cells

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Glia, or neuroglia, are vital support cells that assist neurons in their functions. The term "glia" originates from the Greek word for "glue," reflecting their role in holding the nervous system together. These cells can be categorized into six types: four in the central nervous system (CNS) and two in the peripheral nervous system (PNS).
The CNS glial cell includes the astrocytes, the oligodendrocytes, the microglia, and the ependymal cells.
Astrocytes are star-shaped glial...
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Related Experiment Video

Updated: Oct 27, 2025

Analysis of Schwann-astrocyte Interactions Using In Vitro Assays
10:17

Analysis of Schwann-astrocyte Interactions Using In Vitro Assays

Published on: January 13, 2011

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Functional immune cell-astrocyte interactions.

Liliana M Sanmarco1, Carolina M Polonio1,2, Michael A Wheeler1,3

  • 1Ann Romney Center for Neurological Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.

The Journal of Experimental Medicine
|July 22, 2021
PubMed
Summary
This summary is machine-generated.

Astrocytes, crucial brain cells, interact with immune cells and the blood-brain barrier, influencing neurological diseases like multiple sclerosis and offering therapeutic potential.

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Area of Science:

  • Neuroscience
  • Immunology
  • Cell Biology

Background:

  • Astrocytes are abundant glial cells in the central nervous system (CNS).
  • They play critical roles in CNS health and disease.
  • Astrocytes interact with the blood-brain barrier (BBB) and sense peripheral immune signals like cytokines.

Purpose of the Study:

  • To review astrocyte interactions with immune cells.
  • To explore their roles in neurological health and disease, focusing on multiple sclerosis (MS).
  • To highlight astrocyte crosstalk pathways and therapeutic potential.

Main Methods:

  • Literature review of astrocyte-immune cell interactions.
  • Analysis of astrocyte roles in CNS pathogenesis.
  • Identification of astrocyte-mediated pathways in disease.

Main Results:

  • Astrocytes modulate BBB function and sense immune molecules.
  • They engage in crosstalk with microglia, NK cells, and T cells.
  • These interactions contribute to neurological disease pathogenesis.

Conclusions:

  • Astrocyte-immune cell interactions are central to CNS health and disease.
  • Understanding these pathways is key for developing therapies for neurological disorders like MS.
  • Astrocytes represent promising therapeutic targets.